Answer:
The length is <u>8</u> ft.
The width is <u>2</u> ft.
Step-by-step explanation:
A = l*w
l = w + 6
16 = w(w + 6)
16 = w^2 + 6w
w^2 + 6w - 16 = 0
(w + 8)(w - 2) = 0
w = -8ft or 2ft
Since lengths cannot be negative in reality, <u>w = 2ft</u>.
l*2 = 16
<u>l = 8ft</u>
Let the # be n. Then (2n)(5) = 9n-2/7
10 n = 9n - 2/7 => n = -2/7 (answer)